Application of a correlation between the lumbar Torg ratio and the area of the spinal canal to predict lumbar stenosis: a study of 420 postmortem subjects

Journal of Orthopaedics and Traumatology

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 3 The mean and the SD value of the lumbar Torg ratio at each level

Lumbar level	Mean Torg ratio	SD	Minimum measurement	Maximum measurement
L1	0.57	0.07	0.40	0.81
L2	0.55	0.06	0.39	0.84
L3	0.53	0.06	0.35	0.77
L4	0.52	0.07	0.33	0.81
L5	0.52	0.08	0.31	0.85